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timofeeve [1]
3 years ago
11

I need help answering this question in relation to Stoichiometry volume-mass in my chemistry class.

Chemistry
1 answer:
Hoochie [10]3 years ago
6 0

oha ya çok ilginç nerdeyim ben ab

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(PLEASE ANSWER + BRAINLIEST !!)
MatroZZZ [7]
A gamma ray has a mass and atomic number of 0 meaning it doesn’t effect the nucleus.
E.g
60 60 0
Co —> Co + gamma ray
27 27 0

7 0
3 years ago
Calculate the volume in L of 11.6 moles of Neon at 120 K when it has a pressure of 25.9 atm
beks73 [17]

Answer:

The volume of the gas is approximately 4.41 liters

Explanation:

The details of the data of the Neon gas are;

The number of moles of Neon gas present, n = 11.6 moles

The temperature of the sample of Neon gas, T = 120 K

The pressure of the sample of the Neon gas, P = 25.6 atm

By the ideal gas equation, we have;

P·V = n·R·T

Where;

R = The universal gal constant = 0.08205 L·atm·mol⁻¹·K⁻¹

Therefore, we get;

V = n·R·T/P

Which gives;

V = 11.6 moles × 0.08205 L·atm·mol⁻¹·K⁻¹ × 120 K/(25.9 atm) ≈ 4.4097915 L

The volume of the gas, V ≈ 4.41 L.

7 0
3 years ago
Write the balanced half-reaction equation for when H 2 O 2 ( aq ) acts as an oxidizing agent in an acidic solution. Phases are o
Radda [10]

Explanation:

An oxidizing agent is a reactant that removes electrons from other reactants during a redox reaction. The oxidizing agent typically takes these electrons for itself, thus gaining electrons and being reduced. An oxidizing agent is thus an electron acceptor.

Examples of Oxidizing Agents include the following; Hydrogen peroxide, ozone, oxygen.

A half-equation shows you what happens at one of the electrodes during electrolysis . Electrons are shown as e -. A half-equation is balanced by adding, or taking away, a number of electrons equal to the total number of charges on the ions in the equation.

The balanced half reaction equation for H2O2 as an oxidizing agent is given as;

H2O2 + 2e^- + 2H^+ ==> 2H2O

3 0
3 years ago
What precautions should be observed when an aqueous sodium carbonate solution is used to extract an organic solution containing
Vladimir [108]
<span>The biggest precaution that should be followed is to not wall the separatory funnel off too tightly. When the sodium carbonate solution is used, the acid will react with it to create carbon dioxide. This can build up in the funnel, leading to an increase in pressure that could cause a rupture if enough is created.</span>
3 0
3 years ago
Why isn't the ph at the equivalence point always equal to 7 in a neutralization titration?
Lunna [17]

The pH at the equivalence point always not equal to 7 in a neutralization titration when titration occur between weak acid and weak base , strong acid and weak base or strong base weak acid. The reason behind it is given as,

  • At equivalence point the product is present by reacting from acid and base.
  • So, when weak acid titrate with strong base then the solution will be weak base at equivalence point.

When strong acid is neutralize with strong base then it form neutral product at the equivalence point. Hence the final conclusion is that the pH of the solution in which titration is takes place between strong acid and strong base is 7 that is neutral left titration between all type of acids and bases ha pH not equal to 7 .

learn more about equivalence point

brainly.com/question/4518249

#SPJ4

7 0
1 year ago
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